diff --git a/requirements.txt b/requirements.txt
index 113d8a5..3b25786 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 azure-storage-blob
-azure-cosmos==4.2.0
+azure-cosmos==4.3.1
 PyYAML
 jinja2~=2.11.3
 flask==1.1.2